• Year
  • 1930/1931
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 5512

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 3
  • Main principle
  • TRF with regeneration; 2 AF stage(s)
  • Tuned circuits
  • 1 AM circuit(s)
  • Wave bands
  • Broadcast and LongWave in ONE range.
  • Power type and voltage
  • Direct Current supply (DC) / 110; 150; 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 31G - Siemens & Halske, -Schuckert
  • Dimensions (WHD)
  • 380 x 220 x 160 mm / 15 x 8.7 x 6.3 inch
  • Notes
  • Halbkreisförmige «Riesenskala» [569]

  • Price in first year of sale
  • 149.00 RM !
  • Circuit diagram reference
  • Lange + FS-Bestückungstabellen
  • Literature/Schematics (1)
  • -- Schematic (OTO-Schaltungen)

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